Knave withdrawn from the pack? (5)

I believe the answer is:

rogue

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'knave' is the definition.
(I know that knave can be written as rogue)

I don't understand the remainder of the clue.

(Other definitions for rogue that I've seen before include "Scamp" , "Profligate" , "Baddy" , "Dishonest chap; solitary (elephant)" , "Diverging from type" .)

I've seen this clue in The Globe and Mail.

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